GB935909A - Filtration process - Google Patents

Filtration process

Info

Publication number
GB935909A
GB935909A GB43828/59A GB4382859A GB935909A GB 935909 A GB935909 A GB 935909A GB 43828/59 A GB43828/59 A GB 43828/59A GB 4382859 A GB4382859 A GB 4382859A GB 935909 A GB935909 A GB 935909A
Authority
GB
United Kingdom
Prior art keywords
filter
bed
backwash water
sugar
sand
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB43828/59A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rohm and Haas Co
Original Assignee
Rohm and Haas Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Rohm and Haas Co filed Critical Rohm and Haas Co
Publication of GB935909A publication Critical patent/GB935909A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D37/00—Processes of filtration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/0006—Settling tanks provided with means for cleaning and maintenance
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/0012—Settling tanks making use of filters, e.g. by floating layers of particulate material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/0024—Inlets or outlets provided with regulating devices, e.g. valves, flaps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/003—Sedimentation tanks provided with a plurality of compartments separated by a partition wall
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/0039—Settling tanks provided with contact surfaces, e.g. baffles, particles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/0039—Settling tanks provided with contact surfaces, e.g. baffles, particles
    • B01D21/0042—Baffles or guide plates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/0039—Settling tanks provided with contact surfaces, e.g. baffles, particles
    • B01D21/0063—Settling tanks provided with contact surfaces, e.g. baffles, particles with cross-flow flow direction of liquid and solid particles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/02—Settling tanks with single outlets for the separated liquid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
    • B01D24/02—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with the filter bed stationary during the filtration
    • B01D24/10—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with the filter bed stationary during the filtration the filtering material being held in a closed container
    • B01D24/12—Downward filtration, the filtering material being supported by pervious surfaces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
    • B01D24/46—Regenerating the filtering material in the filter
    • B01D24/4605—Regenerating the filtering material in the filter by scrapers, brushes, nozzles or the like placed on the cake-side of the stationary filtering material and only contacting the external layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
    • B01D24/46—Regenerating the filtering material in the filter
    • B01D24/4631—Counter-current flushing, e.g. by air
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
    • B01D24/48—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof integrally combined with devices for controlling the filtration
    • B01D24/4807—Handling the filter cake for purposes other than regenerating
    • B01D24/4846—Retarding cake deposition on the filter during the filtration period, e.g. using stirrers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D36/00—Filter circuits or combinations of filters with other separating devices
    • B01D36/04—Combinations of filters with settling tanks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2221/00—Applications of separation devices
    • B01D2221/06—Separation devices for industrial food processing or agriculture

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Filtration Of Liquid (AREA)
GB43828/59A 1959-06-02 1959-12-24 Filtration process Expired GB935909A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US817623A US3078188A (en) 1959-06-02 1959-06-02 Filtration process

Publications (1)

Publication Number Publication Date
GB935909A true GB935909A (en) 1963-09-04

Family

ID=25223483

Family Applications (1)

Application Number Title Priority Date Filing Date
GB43828/59A Expired GB935909A (en) 1959-06-02 1959-12-24 Filtration process

Country Status (5)

Country Link
US (1) US3078188A (fr)
BE (1) BE587326A (fr)
CH (1) CH371414A (fr)
ES (1) ES252762A1 (fr)
GB (1) GB935909A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2671983A1 (fr) * 1991-01-25 1992-07-31 Martinez Mugica Fernando Systeme de filtration de liquides avec des particules en suspension.

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3227167A (en) * 1960-12-14 1966-01-04 Sylvania Electric Prod Apparatus for rinsing electrophoretically-coated articles
US3292788A (en) * 1963-12-06 1966-12-20 Theodore A Schwartz Process and apparatus for filtering liquids containing gummy or slimy suspended matter
US3436260A (en) * 1964-09-23 1969-04-01 Union Tank Car Co Method for cleaning filter bed for sugar liquor
US3912533A (en) * 1974-07-12 1975-10-14 Jerre P Heyer Maple sugar processing apparatus
EP0009527A1 (fr) * 1978-10-11 1980-04-16 Myron Mantell Procédé et appareil de contrôle automatique du lavage d'un gâteau filtré
TW330153B (en) * 1995-05-10 1998-04-21 Mitsubishi Heavy Industry Kk Flue gas desulfurization device with slurry filtration device
CA2495440A1 (fr) * 2002-08-04 2004-02-12 Nbe, Llc. Procede et appareil renforcant l'efficacite des lits filtrants
DE102010020071A1 (de) * 2009-05-11 2011-01-13 Bräutigam Kunststoffsysteme GmbH Rückhaltesystem für Wasser-Schlammgemische bei Rückspülprozessen an Filteranlagen
CN102363086A (zh) * 2011-03-25 2012-02-29 澧县三利供水设备制造有限公司 具备砂水自动分离功能的净水系统
CN103566655A (zh) * 2012-08-10 2014-02-12 安阳市岷山有色金属有限责任公司 净化稀酸回用流程

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US461234A (en) * 1891-10-13 Filter
US1318363A (en) * 1919-10-14 Henry desrtjmattx
US819358A (en) * 1900-04-05 1906-05-01 Frank E Kirby Method of cleaning filters.
GB120595A (en) * 1917-10-11 1918-11-11 Frank Pullen Candy Improvements in connection with the Filtration of Water.
US2105221A (en) * 1936-06-25 1938-01-11 Int Patents Dev Co Process of starch conversion
US2236895A (en) * 1938-11-04 1941-04-01 Shell Dev Hydraulic disruption of solids
US2284122A (en) * 1940-05-24 1942-05-26 Boyd Robert Process for purifying sugar solutions
US2453345A (en) * 1945-06-28 1948-11-09 American Viscose Corp Filtering apparatus
US2675350A (en) * 1951-07-02 1954-04-13 Worthington Pump & Mach Corp Water treating apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2671983A1 (fr) * 1991-01-25 1992-07-31 Martinez Mugica Fernando Systeme de filtration de liquides avec des particules en suspension.

Also Published As

Publication number Publication date
ES252762A1 (es) 1960-07-01
BE587326A (fr) 1960-08-05
US3078188A (en) 1963-02-19
CH371414A (fr) 1963-08-15

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